you see this already in europe. the chinese are already beginning to think about the fact they're one-shot policy will lead to them having a much older population soon with many fewer children. so immigration then becomes, you know, another way that they can continue the economic vitality of their country. so to me immigration and vitality are closely linked. i think that's true for many business people in the united states. i think truse for many people in the universities. not too sure about politicians. >> reminding people that -- at the beginning of the story of america is story of entrepreneurship and the story of entrepreneurship is the story of immigration. some of the iconic nation, at&t were founded by immigrants. not recent tech phenomenon, history for a long period of time. i believe the reason is so controversial problem and so sensitive and emotional is the debate around immigration really is a debate around illegal immigration and there needs to be more focus on legal immigration and thinking less abou